... 2015 February 18 . Dark Craters and Bright Spots Revealed on Asteroid Ceres . ... Explanation: What are those bright spots on asteroid Ceres? ... Sharper new images taken last week and released yesterday indicate, as expected, that most of the surface of dwarf planet Ceres is dark and heavily cratered like our Moon and the planet Mercury . ... The enigmatic spots were first noticed on Texas -sized Ceres a few weeks ago during Dawn's approach. ... About APOD | ...

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... Dark Craters and Bright Spots Revealed on Asteroid Ceres . ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: LHEA at NASA / GSFC . ... Publications with keywords: Ceres . Publications with words: Ceres . ... Dwarf Planet Ceres . The Brightest Spot on Ceres . Bright Spots Resolved in Occator Crater on Ceres . An Unusual Mountain on Asteroid Ceres . Fly Over Dwarf Planet Ceres . Dwarf Planet, Bright Spot . ...

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• The Brightest Spot on Ceres
• Dwarf Planet, Bright Spot
• Bright Spots Resolved in Occator Crater on Ceres

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . Planets . ... Monthly Sky Notes . ... February . ... The ringed planet will be quite bright, but unlike Jupiter it will not be the brightest point of light in the sky, this accolade will return to Sirius which is the brightest star in our night sky in the constellation of Canis Major. ... Seven days later on February 18, the Moon will be in its full Moon phase. ... Tweets that mention Wonders of the February Night Sky | ... Astronotes . ...

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• Venus | Astronotes - Part 4
• stellar nursery | Astronotes
• constellations | Astronotes - Part 6

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "That's as remote as the dark side of the Moon!" ... As the tired, hackneyed refrains went on, one in particular caught my ear: " Fly me away to the bright side of the moon, and meet me on the other side." ... As the Moon orbits the Earth, different parts of it get illuminated by the Sun. ... Bad Addendum : At the end of the album "Dark Side of the Moon" by Pink Floyd, there is a voiceover that actually says "There is no dark side of the moon. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy

... NASA SPACECRAFT FINDS NEW EVIDENCE FOR WATER ICE ON MERCURY . ... The new data indicate the water ice in Mercury's polar regions, if spread over an area the size of Washington, D.C., would be more than 2 miles thick," said David Lawrence, a MESSENGER participating scientist at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., and lead author of one of three papers describing the findings. ... Water ice concentrations are derived from the hydrogen measurements. ...

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• VIRGOHI 21
• Ed Rivera-Valentin
• The Pleiades

... George Benedict, University of Texas at Austin . ... Abstract . ... Hubble Heritage Observations of Arp 87 . ... The Fine Guidance Sensors on HST are the only system currently capable of making observations at the required sub-milliarcscond accuracy, and has already been used for astrometry of four systems, including the M dwarf Gl 876. The current GO program pursues observations of six planetary hosts; the final set of FGS observations of HD 47536 is scheduled over the next week. ...

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• Research Interests
• HST this week: 057
• HST this week: 036

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

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• Rivi: Be Stars
• ESO - The European ELT
• ESO - Newsletter February 2016

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... Publications of the ASP (PASP) . ... A Minor Planet's Night Out . ... Orbiting between Mars and Jupiter are thousands of rocky bodies. ... In 1804 came Juno; in 1807, Vesta. ... Most minor planets, as asteroids are sometimes affectionately called, hum in elliptical orbits between Mars and Jupiter. ... This helps us as we select the Guest Observer, and it helps readers to understand what you studied. ...

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• ASP: Contents, January/February 1999
• ASP: White Mars: The Story of the Red Planet Without Water
• ASP: Contents, January/February 2002

... STScI-PRC99-27 A CLOSER ENCOUNTER WITH MARS Taking advantage of Mars's closest approach to Earth in eight years, astronomers using NASA's Hubble Space Telescope have taken the space-based observatory's sharpest views yet of the Red Planet. ... In these views the north polar cap is tilted toward the Earth and is visible prominently at the top of each picture. ... Dark sand dunes that surround the polar cap merge into a large, dark region called Acidalia. ...

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• Pluto and Charon
• Venus
• Saturn's Moon Iapetus

... Pluto's orbit is also highly inclined -- tilted 17 degrees to the orbital plane of the other planets. ... Ground-based observations indicate that Pluto's surface is covered with methane ice and that there is a thin atmosphere that might freeze and fall to the surface as the planet moves away from the Sun. ... This is the first image-based surface map of the solar system's most remote planet, Pluto. ... This is the first surface map of Charon, the moon of the solar system's most remote planet, Pluto....

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• Venus
• Astronomical Names
• Dr. Victoria I. Prokhorenko

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Revealing the Red Planet's secrets | Astronomy.com
• т??Bright spotт?? on Ceres has dimmer companion | Astronomy.com

... Spectroscopy of white dwarf atmospheres has revealed metal pollution indicative of active accretion of rocky material (Gansicke et al. 2012), though the source of the debris - perhaps a disk of asteroids or tidally disrupted planets - is unknown. ... In addition, since typical white dwarfs are roughly Earth-sized, the transit of an Earth-sized planet can cause changes in brightness on the order of several tens of percent for durations on the order of one minute (Agol 2011). ...

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• http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_apr2016/AS05.html
• http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_feb2015/AS02.html
• http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_jan2016/AS05.html

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• AAA Spring Astronomy Class: The Physics of Astronomy тАУ February ? March 2016

... Comet Ikeya-Zhang, designated C/2002 C1 (Ikeya-Zhang), is named after Kaoru Ikeya of Shizuoka prefecture, Japan, and Daqing Zhang of Henan province, China, who independently discovered it on the night of 1 February 2002. A preliminary orbit reported the following day indicated that it would come moderately close to both the Earth and the Sun and that it might become visible to the naked eye during late March and April 2002. ... Bailey, M.E., Clube, S.V.M. and Napier, W.M. The Origin of Comets . ...

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• Refereed Journal Publications 1999
• Terry Mosely's Bulletins
• Wonderful Moon - Venus Conjunction | International Year of Astronomy in Ireland

... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... MRO Support Facility . Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Current telescope status . ... Australia Telescope Online Archive (ATOA) . ... Scientific support of facilities . ... Astrophysics overview . ... Meetings . ...

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• The Dark Blue Compact Dwarf Galaxy NGC 2915
• Dark Matter and Galaxy Formation
• Australia Telescope National Facility

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... All news ...

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• YaB-100 - Asteroid

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...

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• Astronomy Plus CCD Images of Galaxies
• U of O High Energy Physics Seminars
• Low Surface Brightness Galaxy Gallery

... Archive 2003: . From RATAN-600 observations with a matrix radiometer at a wavelength of 1 cm indications have been found of existence of relativistic electrons in the magnetosphere of Jupiter with energy of about 100 MeV, which demands revision of mechanisms of acceleration of cosmic rays of the solar wind with energy of a few MeV. ... Archive . ...

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• Events archive
• Measurement of the dark halo shape in polar ring galaxies
• Metagalaxy sector, archive 2011

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . ... Dept. for Physics of Planetary Systems . ... Science . ... All Pages . ... Research of the stars with planets which pass apparent star disk (transiting exoplanets). The transit method based on a detection star brightness decrease during a passing of planet in front of its disk. Observed brightness system decries when planet pass star disk and its volume depend of the relative sizes star and planet. ...

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• Achievements - Page 3
• Internet telescope
• Dept. for Physics of Planetary Systems

The Solar spots - are the dark formations on the Sun's disk. ... The greatest observed spot is 100 thousand kilomiters. The spots are the places of the magnetic fields' getting out to the solar atmosphere. ... That's why they look so dark . ... The Solar convection zone is the layer with the thickness of 150 - 200 thousand kilomiters, situated under the photosphere; the substance of this layer being in convectional movement transformes the energy from inside the Sun's to its surface. ...

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• merkurie
• geltsentrhphotoe
• saturne